Microscopically derived Wess-Zumino action for 3He-A |
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Affiliation: | L.D. Landau Institute for Theoretical Physics, 117334 Moscow, USSR |
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Abstract: | It is shown that the effective action in 3He-A contains the Wess-Zumino topological action, from which the orbital dynamics is naturally obtained. The obtained spontaneous orbital momentum of liquid coincides fully with the one predicted by phenomenology. The connection with the chiral anomaly in quantum electrodynamics is considered. |
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